EP4316744A1 - Robot de construction doté d'une interface interchangeable dotée d'une bobine et outil pour le robot de construction - Google Patents

Robot de construction doté d'une interface interchangeable dotée d'une bobine et outil pour le robot de construction Download PDF

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Publication number
EP4316744A1
EP4316744A1 EP22203847.3A EP22203847A EP4316744A1 EP 4316744 A1 EP4316744 A1 EP 4316744A1 EP 22203847 A EP22203847 A EP 22203847A EP 4316744 A1 EP4316744 A1 EP 4316744A1
Authority
EP
European Patent Office
Prior art keywords
tool
interface
construction robot
construction
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22203847.3A
Other languages
German (de)
English (en)
Inventor
Florian Hurka
Rory Britz
Michael Nitzschner
Markus Hartmann
Georg Fürfanger
David Koscheck
Peter Brugger
Tobias Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hilti AG
Original Assignee
Hilti AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hilti AG filed Critical Hilti AG
Priority to PCT/EP2023/070294 priority Critical patent/WO2024028127A1/fr
Publication of EP4316744A1 publication Critical patent/EP4316744A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00—Manipulators not otherwise provided for
    • B25J11/005—Manipulators for mechanical processing tasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/04—Gripping heads and other end effectors with provision for the remote detachment or exchange of the head or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J5/00—Manipulators mounted on wheels or on carriages

Definitions

  • the invention relates to a construction robot to which a tool can be connected.
  • the construction robot can have a change interface.
  • the interchangeable interface should enable a stable arrangement of the tool with the construction robot.
  • the construction robot should, if necessary, supply the tool with the necessary operating energy.
  • the object of the present invention is therefore to offer a construction robot to which different tools can be securely connected, so that in particular operating energy can be safely transferred to the connected tool.
  • a tool that can be safely connected to such a construction robot will also be presented.
  • a construction robot in particular for carrying out construction work in building construction, civil engineering and / or steel construction, comprising an interchangeable interface for a detachable connection to a tool, the interchangeable interface having at least one coil for the wireless transmission of operating energy to the tool.
  • Operating energy can be understood as energy that is required by the tool to carry out a main function of the tool.
  • the operating energy can in particular be transmitted with a higher power than that required for transmitting data or signals from the tool to the construction robot or vice versa.
  • the power with which the operating energy is transmitted and/or can be transmitted can, for example, be at least 100 W.
  • the tool can be a machine tool.
  • the tool in particular the machine tool, can also be set up for manual use by a user of the tool or the machine tool.
  • the tool can, for example, have a handle.
  • it can be a stone drilling machine tool, a stone chisel machine tool, a setting tool, in particular for setting nails, screws and / or dowels in a rock, a cutting machine tool, for example a stone saw machine tool, a grinding machine tool, for example a stone grinding machine tool, or a pressing machine tool.
  • the changeover interface can be set up to transmit a continuous power of at least 100 W, particularly preferably of at least 1 kW, and preferably of at most 7 kW, for example at most 6.6 kW.
  • the continuous power can correspond to an average power averaged over at least 1 minute, for example over 10 minutes. Services can therefore be transferred that enable the use of high-performance tools for processing rock, in particular concrete or reinforced concrete, and / or steel.
  • the alternating interface can generally be set up to transmit the operating energy in the form of an alternating electrical current.
  • the interchangeable interface can be set up to transmit the operating energy at a transmission frequency of at least 1 kHz, in particular at least 100 kHz.
  • a transmission frequency of at least 1 kHz, in particular at least 100 kHz.
  • material requirements for the interchangeable interface can be minimized.
  • a core of the coil can be made smaller.
  • the power density of the coil can also be increased.
  • the change interface, especially the coil, can be made smaller.
  • the coil can preferably also have several cores.
  • the construction robot in particular the changeover interface, has at least one GaN switch, for example a gallium nitride-based transistor, switching can be carried out particularly quickly, so that high transmission frequencies can be used. For example, transmission frequencies of at least 10 kHz, in particular at least 100 kHz, can be achieved with GaN switches. This means you can build even smaller. Transmission losses can also be minimized.
  • GaN switch for example a gallium nitride-based transistor
  • the coil can be packaged in a waterproof and/or dustproof manner.
  • it can be cast into a potting material. It can correspond to at least one protection standard, which is usually referred to as IP44, in particular at least IP66.
  • the change interface can have a vibration damper which is designed to reduce vibrations of the tool arranged on the change interface towards the rest of the construction robot, in particular by at least 3 dB, i.e. at least half.
  • the vibration damper may have a layer of a vibration-damping material.
  • the vibration-damping material can be, at least substantially, elastically and/or plastically deformable.
  • the vibration damper can also be based on an electric and/or a magnetic field.
  • the coil can be set up to form the vibration damper or at least part of the vibration damper.
  • the changeover interface can be set up to operate the coil with a direct current component.
  • a direct current component can be understood to mean an electrical current component with a frequency significantly below a usual network frequency, for example at most 10 Hz, in particular at most 1 Hz.
  • the coil can therefore generate a constant or at least only slowly changing magnetic field. The magnetic field can then form part of the vibration damper.
  • the strength of the restoring force can be varied by changing the DC component.
  • a type of spring element can thus be formed with which a transfer function for vibrations of the core can be adapted. This means that vibrations transmitted to the rest of the construction robot can be minimized. In particular, extensive, in particular, at least essentially complete, extinction of transmitted vibrations is conceivable.
  • the coil can be used both to transmit the operating energy and as part of the vibration damper.
  • the alternating current component can have an alternating frequency, for example, of at least the usual network frequency, for example at least 50 Hz or at least 60 Hz. It can preferably also have a higher frequency, for example corresponding to the aforementioned transmission frequency, in particular of at least 10 kHz, for example at least 100 kHz.
  • the interchangeable interface can be set up to wirelessly transmit both the operating energy and data via the coil.
  • the transmission frequency can be amplitude and/or frequency modulated.
  • a non-sinusoidal signal can be added to the transmission frequency.
  • the data to be transmitted can, for example, relate to properties and/or operating parameters of the tool, for example a required service to be provided, a type of tool, a condition of the tool or the like. It is also conceivable that the data to be transmitted includes properties and/or operating parameters of the construction robot and/or properties of a construction task, for example a service that can be provided, a type of construction robot, a condition of the construction robot, a dimension, for example a depth or a diameter of a material to be drilled Borehole or a level of smoothing to be achieved of a surface to be ground, a condition of a construction task being carried out, for example a depth reached or a quality feature of the construction task being carried out.
  • the data can also include control signals for controlling the tool and/or the construction robot.
  • a permanent magnet is arranged on the interchangeable interface.
  • the permanent magnet can act as a counter magnet to the coil, especially if it is operated with a direct current component.
  • the permanent magnet can also be part of the vibration damper.
  • the construction robot can have a manipulator.
  • the manipulator can have a multi-axis arm, for example with at least three, preferably at least six degrees of freedom.
  • the construction robot can have a lifting device.
  • the changing interface can be located on an end effector of the manipulator.
  • the construction robot can be designed to carry out construction work on a building construction site, a civil engineering construction site and / or a steel construction construction site, for example an oil drilling platform.
  • It can be set up to carry out construction work on a ceiling, a wall and/or a floor. It can be designed for marking, drilling, cutting, chiselling, grinding and/or setting a component.
  • the construction robot can also have a mobile platform.
  • the mobile platform can be a Wheeled chassis and / or a tracked chassis include.
  • the mobile platform can have at least two degrees of freedom. It can also be a flight platform.
  • the construction robot can have a total of at least ten degrees of freedom.
  • the construction robot can have a controller.
  • the control can be designed as a computer. It can have a processor, a memory chip and/or a program code that can be executed on the processor.
  • the processor may have one or more subprocessors.
  • the program code can be set up to operate a tool arranged on the change interface when executed on the control.
  • the alternating current component can be fed from different sources.
  • a supply from a mains supply by means of an AC / AC converter and / or a supply from a rechargeable DC voltage storage for example an accumulator such as a cylindrical cell or a pouch cell, a supercapacitor and / or a capacitor, for example an electrolytic capacitor, by means of a DC/AC converter is conceivable.
  • a high-frequency network is already available elsewhere on site, this can also be used. It is also conceivable to combine different sources. It is therefore conceivable to use a network that a priori cannot provide sufficient short-term peak performance. In particular, it is conceivable to buffer a peak load using at least one accumulator.
  • the rechargeable DC voltage storage device can be recharged in one or more subsequent low-load phases.
  • the rechargeable memory can be located in the tool and/or in the construction robot, for example in the area of the mobile platform and/or in the interchangeable interface.
  • the output side At low transmission frequencies, it is conceivable that the tool has an asynchronous machine. The asynchronous machine can then be operated directly with the alternating voltage received from the tool.
  • the received alternating voltage can be rectified very easily.
  • even small sieve capacities and/or inductive smoothing elements can be sufficient.
  • the vibration damper comprises a plurality of coils, a plurality of induction coils and/or a plurality of permanent magnets.
  • the coils, induction coils and/or permanent magnets can be arranged in a row, in particular evenly spaced apart, in the manner of a linear drive.
  • vibration damper is formed on the manipulator and/or between the connecting section and the rest of the tool.
  • the scope of the invention also includes a tool that has an induction coil, in particular for receiving operating energy from the coil of the tool interface of the construction robot.
  • energy in particular the operating energy required for operating the tool, and preferably also data can be transmitted wirelessly from the construction robot to the tool via the changeover interface.
  • a “tool” can be understood to mean an object that does not belong to the body of the construction robot, with the help of which the functions of the construction robot can be expanded in order to be able to carry out a construction task, for example a drilling task, a cutting task, a grinding task or the like.
  • a tool can also be understood to mean an electric machine tool such as machines for drilling, for example hammer drills, for cutting, for example saws or angle grinders, for grinding, for marking, for measuring or the like.
  • tools for processing rock, for example concrete, and for processing metals, for example steel can be included.
  • the induction coil can be provided with an induction coil core.
  • the induction coil core can have a hard ferritic material.
  • the tool may require operating energy corresponding to a power of at least 100 W, in particular at least 1 kW, for proper operation.
  • it can be a high performance tool.
  • it can be and/or comprise an electric machine tool, for example an electric hand-held machine tool.
  • the interchangeable interface can therefore be set up in particular for use with a high-performance tool, in particular a high-performance tool for processing rock such as reinforced concrete.
  • Wireless energy transmission allows the interchangeable interface and/or the tool to be completely encapsulated. In particular, there is no need for exposed plug contacts or the like. Reductions in performance due to inferior electrical connections, particularly due to contamination or the like, can be avoided.
  • Fig. 1 shows a construction robot 10 with a chassis 12 designed as a tracked chassis, a control room 16 formed in a housing 14 and a manipulator 18 arranged on the top of the housing 14.
  • the manipulator 18 includes a lifting device 17 for vertical displacement and a multiaxially controllable arm 19.
  • a tool 24, in particular a rock drilling machine tool, with a dust extraction device 26, is detachably arranged on the interchangeable interface 21.
  • the tool 24 In order to detachably arrange the tool 24 on the changing interface 21, it has a connecting section 22 .
  • the change interface 21 is designed for the detachable connection of the connecting section 22 and thus also of the tool 24.
  • the construction robot 10 is supplied with operating energy by a memory 28, in particular in the form of a rechargeable, lithium-based battery. It can therefore be used wirelessly.
  • the construction robot 10 has a supply magazine 100 .
  • the supply magazine 100 has several storage spaces 102 .
  • the tool 24 can be stored at free storage locations 102 for storage and, if necessary, later reuse. Additional elements, for example additional tools, can also be stored in the storage spaces 102 for later use.
  • the construction robot 10 has, preferably within the housing 14, a control 36 arranged in the control room 16.
  • the controller 36 includes a memory module 38 and a microprocessor 40.
  • the controller 36 is equipped with executable program code 42 .
  • the program code 42 can be called up and is stored in the memory module 38 so that it can be executed on the microprocessor 40.
  • the controller 36 can use a cloud-based computer system (in Fig. 1 not shown) contact and data, for example Exchange data on the type of construction tasks to be carried out, associated position and/or location data and/or control commands.
  • the construction robot 10 is designed to carry out construction tasks, for example drilling work in ceilings and walls, on a construction site, in particular on a building construction site, a civil engineering construction site and / or on a steel construction construction site such as an oil platform.
  • the controller 36 can control the manipulator 18 in such a way that construction work on ceilings and walls can be carried out.
  • An example of such a construction task can be, for example, drilling a borehole, in particular with a specific drilling depth and/or a specific borehole diameter, in a concrete ceiling using the tool 24 designed as a rock drilling machine tool.
  • Fig. 2 shows a schematic sectional view of the interchangeable interface 21 of the previously described construction robot 10 (see Fig. 1 ) and the connecting section 22 of the tool 24 arranged thereon (see Fig. 1 ).
  • the change interface 21 has a coil 46 with a core 48 .
  • the coil 46 is set up for wireless transmission of operating energy to the tool 24 and for data transmission between the construction robot 10 and the tool 24 and vice versa.
  • the interchangeable interface 21 can transmit operating energy with a continuous output of up to 6.6 kW.
  • the interchangeable interface 21 has a DC/AC converter 50 .
  • a GaN switch 52 in the form of a GaN power transistor in Fig. 2 is shown and which are connected in connection with other passive and active components in such a way that an alternating voltage with an alternating frequency of 100 kHz is generated, the alternating interface 21 is set up to transmit the operating energy at a transmission frequency of 100 kHz.
  • the DC/AC converter 50 can be powered by the memory 28 (see Fig. 1 ) can be fed with direct current.
  • the coil 46 together with the core 48 is cast into a dust- and moisture-tight casting compound 54 and thus packaged in it.
  • the interchangeable interface 21 fulfills a protection class according to IP66, for example according to DIN EN 60529.
  • the connecting section 22 sits in an indentation 55 of the interchangeable interface 21.
  • the induction coil 56, the induction coil core 58 and the AC/DC converter 60 are cast in a casting compound 62 .
  • the potting compound 62 can consist of the same potting material as the potting compound 54 of the interchangeable interface 21.
  • the connecting section 22 therefore also fulfills the protection class according to IP66.
  • the DC/AC converter 50 is electrically connected to the controller 36 via a bidirectional data connection 64 . It is set up to modulate the alternating current component it generates on the data connection 64 in accordance with incoming data, so that the changeover interface 21 can transmit both operating energy and data to the connection section 22. In addition, it is set up to extract incoming data from currents induced in the coil 46 so that these can be transmitted to the controller 36 via the data connection 64.
  • the AC/DC converter 60 is electrically connected to a tool control 68 of the tool 24 via a bidirectional data connection 66 .
  • a tool control 68 of the tool 24 In addition to the extraction of operating energy for the remaining tool 24, it is set up to extract modulated data from alternating current induced in the induction coil 56 and to transmit it to the tool control 68 via the data connection 66.
  • it is set up to modulate data received from the tool control 68 into the alternating current, so that data from the tool 24 to the construction robot 10 can also be transmitted wirelessly, in particular inductively.
  • the core 48 and the induction coil core 58 adjoin one another when the tool 24, as in Fig. 2 shown schematically, is arranged on the interchangeable interface 21.
  • Operating energy and data can thus be transmitted inductively from the changeover interface 21 via the coil 46 and the induction coil 56 to the connecting section 22 and thus to the tool 24 be transmitted wirelessly.
  • Wireless data transmission in the opposite direction is also possible.
  • Wireless, particularly inductive, transmission is possible even if there is dust, dirt and/or moisture in the indentation 55. Due to the casting compound 54, among other things, use of the interchangeable interface 21 is also conceivable even in highly corrosive environments.
  • Fig. 3 shows a schematic representation of an alternative change interface 21 with a vibration damper 70.
  • a connecting section 22 of a tool is in turn arranged on the change interface 21.
  • the interchangeable interface 21 of this embodiment corresponds to the previously described embodiment of the interchangeable interface 21.
  • the tool, in particular its connecting section 22, corresponds to the previously described tool 24, in particular the previously described connecting section 22, unless otherwise described below .
  • This change interface 21 has a vibration damper 70.
  • the vibration damper 70 is set up to absorb vibrations of the tool arranged on the change interface 21, in particular its connecting section 22, to the rest of the construction robot 10 ( Fig. 1 ) to reduce.
  • the coil 46 is hollow on the inside.
  • a piston-shaped section 72 of the induction coil core 58 projects into the interior of the coil 46.
  • the induction coil 56 is located on the outside of the piston-shaped section 72.
  • the constant magnetic field can generate a restoring force which forces the connecting section 22, in particular the piston-shaped section 72, into the center of the coil 46.
  • the restoring force can be adjusted by changing the direct current component.
  • the connecting section 22 projects into the indentation 55 with a certain amount of play, so that it can move axially within the coil 46, at least to a limited extent.
  • Vibrations of the connecting section 22 are therefore only transmitted to the interchangeable interface 21 to a reduced extent.
  • a permanent magnet 74 can also be provided, which can exert an additional attractive force on the piston-shaped section 72 .
  • a further optional embodiment can provide suspensions 76 between the connecting section 22 and the remaining interchangeable interface 21.
  • the suspensions 76 can be formed from a resilient and/or from an at least partially resilient material.
  • the suspensions 76 can, for example, have a spiral spring and/or a foam material.
  • the suspensions 76 can be set up to generate a preload and/or a repulsion between the connecting section 22 and the changeover interface 21.
  • a zero position of the connecting section 22 relative to the interchangeable interface 21 can also be adjusted by means of the springs 76.
  • the permanent magnet 74 and/or the suspension 76 can be provided without a constant magnetic field being generated.
  • Such a design opens up further geometric designs; For example, geometries of the connecting section 22 and/or the interchangeable interface 21 are also conceivable in which the connecting section 22 does not protrude into the interior of the coil 46.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Manipulator (AREA)
EP22203847.3A 2022-08-03 2022-10-26 Robot de construction doté d'une interface interchangeable dotée d'une bobine et outil pour le robot de construction Pending EP4316744A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2023/070294 WO2024028127A1 (fr) 2022-08-03 2023-07-21 Robot de construction comprenant une interface de changement avec une bobine et outil pour le robot de construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22188419.0A EP4316743A1 (fr) 2022-08-03 2022-08-03 Adaptateur d'interface et système comprenant un robot de construction, un adaptateur d'interface et au moins une machine-outil

Publications (1)

Publication Number Publication Date
EP4316744A1 true EP4316744A1 (fr) 2024-02-07

Family

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Family Applications (7)

Application Number Title Priority Date Filing Date
EP22188419.0A Pending EP4316743A1 (fr) 2022-08-03 2022-08-03 Adaptateur d'interface et système comprenant un robot de construction, un adaptateur d'interface et au moins une machine-outil
EP22203860.6A Pending EP4316745A1 (fr) 2022-08-03 2022-10-26 Robot de construction doté d'une interface interchangeable réglable et procédé
EP22203851.5A Pending EP4316750A1 (fr) 2022-08-03 2022-10-26 Interface interchangeable, robot de construction doté d'une interface interchangeable et procédé de changement d'un outil
EP22203847.3A Pending EP4316744A1 (fr) 2022-08-03 2022-10-26 Robot de construction doté d'une interface interchangeable dotée d'une bobine et outil pour le robot de construction
EP22203863.0A Pending EP4316746A1 (fr) 2022-08-03 2022-10-26 Robot de construction doté d'une interface interchangeable, système de pièces et procédé d'agencement d'un système de pièces sur l'interface interchangeable
EP22203866.3A Pending EP4316737A1 (fr) 2022-08-03 2022-10-26 Machine-outil pouvant être télécommandée destinée à être utilisée par un robot de construction et système
EP22203844.0A Pending EP4316738A1 (fr) 2022-08-03 2022-10-26 Cadre de support et robot de construction doté d'une interface d'outil

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP22188419.0A Pending EP4316743A1 (fr) 2022-08-03 2022-08-03 Adaptateur d'interface et système comprenant un robot de construction, un adaptateur d'interface et au moins une machine-outil
EP22203860.6A Pending EP4316745A1 (fr) 2022-08-03 2022-10-26 Robot de construction doté d'une interface interchangeable réglable et procédé
EP22203851.5A Pending EP4316750A1 (fr) 2022-08-03 2022-10-26 Interface interchangeable, robot de construction doté d'une interface interchangeable et procédé de changement d'un outil

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP22203863.0A Pending EP4316746A1 (fr) 2022-08-03 2022-10-26 Robot de construction doté d'une interface interchangeable, système de pièces et procédé d'agencement d'un système de pièces sur l'interface interchangeable
EP22203866.3A Pending EP4316737A1 (fr) 2022-08-03 2022-10-26 Machine-outil pouvant être télécommandée destinée à être utilisée par un robot de construction et système
EP22203844.0A Pending EP4316738A1 (fr) 2022-08-03 2022-10-26 Cadre de support et robot de construction doté d'une interface d'outil

Country Status (2)

Country Link
EP (7) EP4316743A1 (fr)
WO (1) WO2024028129A1 (fr)

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DE102016106689A1 (de) * 2016-04-12 2017-10-12 Schunk Gmbh & Co. Kg Spann- Und Greiftechnik Dämpfungseinrichtung
EP3800015A1 (fr) * 2019-10-01 2021-04-07 SMW-AUTOBLOK Spannsysteme GmbH Robots de préhension et/ou de retenue d'objets
EP4016212A1 (fr) * 2020-12-17 2022-06-22 Hilti Aktiengesellschaft Système de machine-outil et procédé de commande d'une machine-outil mobile
WO2022137017A1 (fr) * 2020-12-21 2022-06-30 Ideativa Srl Ensemble outil pour des robots industriels

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EP4316746A1 (fr) 2024-02-07
EP4316737A1 (fr) 2024-02-07
EP4316750A1 (fr) 2024-02-07
EP4316738A1 (fr) 2024-02-07
EP4316745A1 (fr) 2024-02-07
EP4316743A1 (fr) 2024-02-07
WO2024028129A1 (fr) 2024-02-08

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